Multi-vendor Game Server DDoS Vulnerability (The Epic Games/Gamespy Exploit)
Read the security advisory: http://www.pivx.com/kristovich/adv/mk001/
Source of the exploit: http://www.pivx.com/kristovich/poc/bf1942dos.c
Epic Games threatens to sue security researchers: http://dotnetweblogs.com/RChartier/Story/2234.aspx
Epic Games threatens to sue security researchers, Epic Games Responds... http://dotnetweblogs.com/RChartier/Story/2288.aspx